Question: exponential function

Answer: a function that can be described by an equation of the form y= a*b^x, where b > 0 and b ≠ 1

Question: simple interest

Answer: interest calculated as a percentage of the principle only, a linear function

Question: compound interest

Answer: interest earned on both the principal amount and any interest already earned, an exponential function

Question: population growth

Answer: the increasing and decreasing of a population

increase in the number of people who inhabit an area

Question: parent function

Answer: the most basic function in a family of functions